stubbed out rest of storage things

aif/disk/lvm_fallback.py

@@ -1,13 +1,4 @@
-try:
-    import gi
-    gi.require_version('BlockDev', '2.0')
-    from gi.repository import BlockDev, GLib
-    has_mod = True
-except ImportError:
-    # This is ineffecient; the native gobject-introspection module is preferred.
-    # In Arch, this can be installed via the "extra" repository packages "libblockdev" and "python-gobject".
-    import subprocess
-    has_mod = False
+import subprocess
 ##
 import aif.disk.block_fallback as block
 import aif.disk.luks_fallback as luks